diff --git a/.changeset/itchy-mangos-attend.md b/.changeset/itchy-mangos-attend.md
new file mode 100644
index 00000000..4c47d0d9
--- /dev/null
+++ b/.changeset/itchy-mangos-attend.md
@@ -0,0 +1,6 @@
+---
+'@api3/chains': minor
+---
+
+Adds following chain:
+* odyssey-sepolia-testnet
\ No newline at end of file
diff --git a/chains/odyssey-sepolia-testnet.json b/chains/odyssey-sepolia-testnet.json
new file mode 100644
index 00000000..cb686089
--- /dev/null
+++ b/chains/odyssey-sepolia-testnet.json
@@ -0,0 +1,23 @@
+{
+  "alias": "odyssey-sepolia-testnet",
+  "decimals": 18,
+  "explorer": {
+    "api": {
+      "key": {
+        "required": false
+      },
+      "url": "https://odyssey-explorer.ithaca.xyz/api"
+    },
+    "browserUrl": "https://odyssey-explorer.ithaca.xyz/"
+  },
+  "id": "911867",
+  "name": "Odyssey testnet",
+  "providers": [
+    {
+      "alias": "default",
+      "rpcUrl": "https://odyssey.ithaca.xyz"
+    }
+  ],
+  "symbol": "ETH",
+  "testnet": true
+}
diff --git a/src/generated/chains.ts b/src/generated/chains.ts
index 509002e0..8f68f2b0 100644
--- a/src/generated/chains.ts
+++ b/src/generated/chains.ts
@@ -1262,6 +1262,19 @@ export const CHAINS: Chain[] = [
     symbol: 'NEON',
     testnet: false,
   },
+  {
+    alias: 'odyssey-sepolia-testnet',
+    decimals: 18,
+    explorer: {
+      api: { key: { required: false }, url: 'https://odyssey-explorer.ithaca.xyz/api' },
+      browserUrl: 'https://odyssey-explorer.ithaca.xyz/',
+    },
+    id: '911867',
+    name: 'Odyssey testnet',
+    providers: [{ alias: 'default', rpcUrl: 'https://odyssey.ithaca.xyz' }],
+    symbol: 'ETH',
+    testnet: true,
+  },
   {
     alias: 'oev-network',
     decimals: 18,